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A Harmonic Resonance Suppression Strategy for a High-Speed Railway Traction Power Supply System with a SHE-PWM Four-Quadrant Converter Based on Active-Set Secondary Optimization

Author

Listed:
  • Runze Zhang

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100089, China)

  • Fei Lin

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100089, China)

  • Zhongping Yang

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100089, China)

  • Hu Cao

    (CCRC Qingdao Sifang Rolling Stock Research Institute Co. Ltd., Qingdao 266000, China)

  • Yuping Liu

    (CCRC Qingdao Sifang Rolling Stock Research Institute Co. Ltd., Qingdao 266000, China)

Abstract

Pulse width modulation (PWM) technology is widely used in traction converters for high-speed railways. The harmonic distribution caused by PWM is quite extensive, and increases the possibility of grid–train coupling resonance in the traction power supply system (TPSS). This paper first analyzes the mechanism of resonance, when the characteristic harmonic frequency of a four-quadrant converter (4QC) current that injects into the traction grid matches the resonant frequency of the traction grid, which may result in resonance in the system. To suppress resonance, this paper adopts specific harmonic elimination–pulse width modulation (SHE-PWM) technology combined with a transient direct current control strategy to eliminate the harmonics in the resonant frequency, which may suppress the grid–train coupling resonance. Due to the fact that the SHE-PWM process with multiple switching angles contains complex transcendental equations, the initial value is difficult to provide, and is difficult to solve using ordinary iterative algorithms. In this paper, an active-set secondary optimization method is used to solve the equation. The algorithm has the benefits of low dependence on initial values, fast convergence and high solution accuracy. Finally, the feasibility of the resonant suppression algorithm is verified by means of Matlab simulation.

Suggested Citation

  • Runze Zhang & Fei Lin & Zhongping Yang & Hu Cao & Yuping Liu, 2017. "A Harmonic Resonance Suppression Strategy for a High-Speed Railway Traction Power Supply System with a SHE-PWM Four-Quadrant Converter Based on Active-Set Secondary Optimization," Energies, MDPI, vol. 10(10), pages 1-23, October.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:10:p:1567-:d:114541
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    Citations

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    Cited by:

    1. Andrea Mariscotti & Leonardo Sandrolini, 2021. "Detection of Harmonic Overvoltage and Resonance in AC Railways Using Measured Pantograph Electrical Quantities," Energies, MDPI, vol. 14(18), pages 1-22, September.
    2. Yuxing Liu & Jiazhu Xu & Zhikang Shuai & Yong Li & Yanjian Peng & Chonggan Liang & Guiping Cui & Sijia Hu & Mingmin Zhang & Bin Xie, 2020. "A Novel Harmonic Suppression Traction Transformer with Integrated Filtering Inductors for Railway Systems," Energies, MDPI, vol. 13(2), pages 1-18, January.
    3. Minwu Chen & Yinyu Chen & Mingchi Wei, 2019. "Modeling and Control of a Novel Hybrid Power Quality Compensation System for 25-kV Electrified Railway," Energies, MDPI, vol. 12(17), pages 1-23, August.
    4. Xiaoqiong He & Haijun Ren & Jingying Lin & Pengcheng Han & Yi Wang & Xu Peng & Zeliang Shu, 2019. "Power Flow Analysis of the Advanced Co-Phase Traction Power Supply System," Energies, MDPI, vol. 12(4), pages 1-20, February.

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